Upward or downward shifts in the Cusum value, directly indicate change – McqOptions

MCQOPTIONS

1.	Upward or downward shifts in the Cusum value, directly indicate changes in process condition.
A.	True
B.	False
Answer» B. False

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A change of process mean changes the value of C<sub>i</sub>>C<sub>i-1</sub>, so we can say that the process mean has shifted upwards.
Upward or downward shifts in the Cusum value, directly indicate changes in process condition.
If the value of x<sub>i</sub>=9.29, and C<sub>i-1</sub>=-2.56, what will be the value of the cumulative sum for this sample, if the value of <sub>0</sub>=10?
Which of these is another form of the cumulative sum value plotted on the cumulative sum chart?
Which of these conditions don t describe an assignable cause in the process?
A significant trend upwards in the process cumulative sum chart indicates ____________
How are the changes in the conditions of the process, known using the Cusum charts?
Cumulative control charts were first presented by ____________